Rawlings Pro Preferred JT39 Torpedo Barrel Birch Wood Bat - Back BrownRawlings Pro Preferred JT39 Torpedo Barrel Birch Wood Bat The Rawlings Pro Preferred line of wood bats is the epitome of powerful performance and uncompromising luxury at the dish. This JT39 model features powerful birch wood and a torpedo contour high density barrel delivers punishing force every time you connect. Its torpedo barrel contour allows for maximum barrel size while reducing swing weight by tapering the end of the bat. As a result, you get